J.L. Wingert Company, founded in 1964 and based in Southern California, is a manufacturer and distributor of equipment for water, wastewater and process-water treatment systems. J.L. Wingert Co. They produce and offer a wide range of products including mixers, separators and separator systems, bypass feeders, sample coolers, sludge traps, tanks and tank stands, glycol feed systems, and custom packaged systems.